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?? __init__.py(1.37 KB)
?? __pycache__
?? clcagefs.py(10.99 KB)
?? clcaptain.py(1.96 KB)
?? clconfig.py(1.68 KB)
?? clconfpars.py(12.09 KB)
?? clcustomscript.py(1.16 KB)
?? cldebug.py(905 B)
?? clemail.py(1.65 KB)
?? clexception.py(1.14 KB)
?? clfunc.py(6.47 KB)
?? clhook.py(3.86 KB)
?? cllog.py(1.45 KB)
?? cloutput.py(471 B)
?? clproc.py(4.05 KB)
?? clpwd.py(7.74 KB)
?? clquota.py(1.27 KB)
?? clsec.py(657 B)
?? clwpos_lib.py(16.6 KB)
?? const.py(277 B)
?? cpapi
?? evr_utils.py(3.55 KB)
?? features.py(5.01 KB)
?? group_info_reader.py(5.29 KB)
?? lib
?? lock.py(1.02 KB)
?? mail_helper.py(4.45 KB)
?? mysql_lib.py(5.84 KB)
?? php_conf_reader.py(9.77 KB)
?? public_hooks
?? sysctl.py(7.61 KB)
?? ui_config.py(3.12 KB)
?? utils.py(32.91 KB)
?? utils_cmd.py(2.71 KB)

Editing: evr_utils.py

# coding=utf-8
#
# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2019 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT
#
# author: Ruslan Pisarev  <rpisarev@cloudlinux.com>
# created: 25.07.13  12:36
# description: alternatives,rpm_compare: hash-string for coding EVR

# Examples of serialization you can look at tests/test_evr_utils.py

from typing import Union, List, Tuple, Optional

__all__ = [
    'serialize_evr'
]

def encode_int_to_real_numbers_segment(intgr: int) -> List[int]:
    """
    Encode int in real-numbers segment.
    See http://en.wikipedia.org/wiki/Arithmetic_coding.

@param intgr:       int for coding in Float an segment [seg_begin, seg_end]
    @return:            list encoding segment
    """
    lst = []
    number = intgr
    while number > 0:
        number, remainder = divmod(number, 256)
        lst.append(remainder)
    lst.append(128 + len(lst))
    lst.reverse()
    return lst

def evr_to_float(rpm_data: List[str]) -> str:
    """
    Encode List of parts of Version or Epoch or Release in real-numbers segment.
    See http://en.wikipedia.org/wiki/Arithmetic_coding.

@param rpm_data:    list to convert in double
    @return:            Converted string
    """
    evr = []
    for elem in rpm_data:
        if isinstance(elem, int):
            evr.extend(encode_int_to_real_numbers_segment(elem))
        elif isinstance(elem, str) and elem.isdigit():
            evr.extend(encode_int_to_real_numbers_segment(int(elem)))
        elif isinstance(elem, str):
            evr.extend(ord(ch) for ch in elem)
        else:
            raise NameError(f'ThisStrange: {elem}')
        evr.append(0)
    converted_str = "".join([f"{n:02x}" for n in evr])
    return converted_str

def serialize_evr(evr: Union[List[str], Tuple[str], str]) -> str:
    """
    Converts epoch, version and release of package to unique string.

Ex:
    ['1', '2.4.4', '34'] -> '810100008102008104008104000081220000'
    ['0', '2.2.3', '76.el5_9.cloudlinux'] -> 80000081020081020081030000814c00656c00810500810900636c6f75646c696e75780000

@param evr:         List from epoch, version and release
    @return:            str for given list
    """
    ret = ''
    if not isinstance(evr, (list, tuple)):
        evr = [evr]
    for i in evr:
        ret += evr_to_float(split_segments(i)) + '00'
    return ret

def split_segments(string: Optional[str]) -> List[str]:
    """
    Split str of epoch or version or release to numbers and strings.

Ex:
    '76.el5_9.cloudlinux.2' -> ['76', 'el', '5', '9', 'cloudlinux', '2']

@param string:           str of epoch or version or release
    @return:            List strings and numbers from EVR
    """

if string is None:
        return []
    prev_symb = string[0]
    begin_index = 0
    segments = []
    for i, el in enumerate(string):
        # Continue loop if a type of current symbol is equal to a type of previous symbol
        # Ex: In string 'el7' symbols 'e' and 'l' have the same type (alphabetic) and
        # we should take the part of string 'el' as whole
        if str(prev_symb + el).isdigit() or str(prev_symb + el).isalpha():
            prev_symb = el
            continue
        # skip segement if it is't alpha/numeric
        if string[begin_index:i].isalnum():
            segments.append(string[begin_index:i])
        begin_index = i
        prev_symb = string[begin_index]
    # skip end of a string if it isn't alpha/numeric
    if string[begin_index:].isalnum():
        segments.append(string[begin_index:])
    return segments

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Editing: evr_utils.py

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